use std::get<T>

kastiglione · kastiglione · commit aa0f1aabd22a · 2020-12-14T15:20:25.000-08:00
(cherry picked from commit f8d2fb2)
diff --git a/lldb/source/Plugins/TypeSystem/Swift/TypeSystemSwiftTypeRef.cpp b/lldb/source/Plugins/TypeSystem/Swift/TypeSystemSwiftTypeRef.cpp
@@ -1789,8 +1789,8 @@ bool TypeSystemSwiftTypeRef::IsPossibleDynamicType(opaque_compiler_type_t type,
 
     if (node->getKind() == Node::Kind::TypeAlias) {
       auto resolved = ResolveTypeAlias(m_swift_ast_context, dem, node);
-      if (resolved.first)
-        node = resolved.first;
+      if (auto *n = std::get<swift::Demangle::NodePointer>(resolved))
+        node = n;
     }
 
     switch (node->getKind()) {

Original file line number	Diff line number	Diff line change
`@@ -1789,8 +1789,8 @@ bool TypeSystemSwiftTypeRef::IsPossibleDynamicType(opaque_compiler_type_t type,`
`1789`	`1789`
`1790`	`1790`	`if (node->getKind() == Node::Kind::TypeAlias) {`
`1791`	`1791`	`auto resolved = ResolveTypeAlias(m_swift_ast_context, dem, node);`
`1792`		`- if (resolved.first)`
`1793`		`- node = resolved.first;`
	`1792`	`+ if (auto *n = std::get<swift::Demangle::NodePointer>(resolved))`
	`1793`	`+ node = n;`
`1794`	`1794`	`}`
`1795`	`1795`
`1796`	`1796`	`switch (node->getKind()) {`